Virtuozzo 7 : readykernel-patch (VZA-2017-010)

This script is Copyright (C) 2017 Tenable Network Security, Inc.

Synopsis :

The remote Virtuozzo host is missing a security update.

Description :

According to the version of the vzkernel package and the
readykernel-patch installed, the Virtuozzo installation on the remote
host is affected by the following vulnerabilities :

- The tcp_splice_read function in net/ipv4/tcp.c in the
Linux kernel before 4.9.11 allows remote attackers to
cause a denial of service (infinite loop and soft
lockup) via vectors involving a TCP packet with the URG

- A privileged user inside a container could cause a host
kernel crash in udp_lib_get_port().

Note that Tenable Network Security has extracted the preceding
description block directly from the Virtuozzo security advisory.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues.

See also :

Solution :

Update the readykernel patch.

Risk factor :

Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.1
Public Exploit Available : true

Family: Virtuozzo Local Security Checks

Nessus Plugin ID: 97982 ()

Bugtraq ID:

CVE ID: CVE-2017-6214

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